diff --git a/sys/kern/kern_kcov.c b/sys/kern/kern_kcov.c
index 1f8b62df7b4..287071e8ac3 100644
--- a/sys/kern/kern_kcov.c
+++ b/sys/kern/kern_kcov.c
@@ -210,8 +210,7 @@ trace_pc(uintptr_t ret)
 	if (info->mode != KCOV_MODE_TRACE_PC)
 		return;
 
-	KASSERT(info->kvaddr != 0,
-	    ("__sanitizer_cov_trace_pc: NULL buf while running"));
+	KASSERT(info->kvaddr != 0, ("%s: NULL buf while running", __func__));
 
 	buf = (uint64_t *)info->kvaddr;
 
@@ -242,8 +241,7 @@ trace_cmp(uint64_t type, uint64_t arg1, uint64_t arg2, uint64_t ret)
 	if (info->mode != KCOV_MODE_TRACE_CMP)
 		return (false);
 
-	KASSERT(info->kvaddr != 0,
-	    ("__sanitizer_cov_trace_pc: NULL buf while running"));
+	KASSERT(info->kvaddr != 0, ("%s: NULL buf while running", __func__));
 
 	buf = (uint64_t *)info->kvaddr;